Atlantis key chains consists of 7 key chain sets. Most sets were released in 2010 which accounted for 4 sets. The current value of all sets in new/factory sealed condtion is $53.41.
Most valuable LEGO Key Chains / Atlantis set 853084 Diver Key Chain - $10.56
Most owned Key Chains / Atlantis set852774 Shark Warrior Key ChainThese LEGO key chains are based on the Atlantis them which was introduced in 2010 whose story line is about a group of explorers that are searching the sea floor for the eponymous lost city of Atlantis from ancient myths.
LEGO has released a number of key chains sets over the years based on many popular themes, including licensed themes. Most feature a minifigure attached to a key chain, although some simply have a LEGO brick or another LEGO element.